A large part of the revenue for Facebook comes from advertising and games. These sometimes require the sharing of personal information which can identify you. You should bear this in mind when using this site. To get the most from this site, it is vital that you use familiarise yourself with and use appropriate privacy controls

-Users are unable to delete data once it is set on the servers.
-All pictures, video, information, etc. that you upload is immediately property of Facebook. You no longer own or have any rights to any of it.
-Allows people to post inappropriate pictures, and also allows users to post hateful comments.

faceboock.com.good networking site a hadd more sucssefull for reuniting friends than site,friends reunited but my private details have now twice been open for anyone to see and have no trust in this site,shame cause i liked it before,but exposure of details has brought this site personly to out of the top five best sites.